Implement URLRequestBackoffManager for managing Backoff headers

net/url_request/url_request_context_builder.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/url_request/url_request_context_builder.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 15 matching lines @@
 #include "net/http/http_network_layer.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_server_properties_impl.h"
 #include "net/http/transport_security_persister.h"
 #include "net/http/transport_security_state.h"
 #include "net/ssl/channel_id_service.h"
 #include "net/ssl/default_channel_id_store.h"
 #include "net/ssl/ssl_config_service_defaults.h"
 #include "net/url_request/data_protocol_handler.h"
 #include "net/url_request/static_http_user_agent_settings.h"
+#include "net/url_request/url_request_backoff_manager.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_storage.h"
 #include "net/url_request/url_request_intercepting_job_factory.h"
 #include "net/url_request/url_request_interceptor.h"
 #include "net/url_request/url_request_job_factory_impl.h"
 #include "net/url_request/url_request_throttler_manager.h"
 
 #if !defined(DISABLE_FILE_SUPPORT)
 #include "net/url_request/file_protocol_handler.h"
 #endif
@@ skipping 150 matching lines @@
 URLRequestContextBuilder::URLRequestContextBuilder()
     : data_enabled_(false),
 #if !defined(DISABLE_FILE_SUPPORT)
       file_enabled_(false),
 #endif
 #if !defined(DISABLE_FTP_SUPPORT)
       ftp_enabled_(false),
 #endif
       http_cache_enabled_(true),
       throttling_enabled_(false),
       sdch_enabled_(false) {

[mmenke, 2015/07/07 21:33:10]

Need to initialize backoff_enabled_

[xunjieli, 2015/07/08 16:10:50]

Done.

 }
 
 URLRequestContextBuilder::~URLRequestContextBuilder() {}
 
 void URLRequestContextBuilder::EnableHttpCache(const HttpCacheParams& params) {
   http_cache_enabled_ = true;
   http_cache_params_ = params;
 }
 
 void URLRequestContextBuilder::DisableHttpCache() {
@@ skipping 109 matching lines @@
                                            false)));
   }
 
   storage->set_http_server_properties(
       scoped_ptr<HttpServerProperties>(new HttpServerPropertiesImpl()));
   storage->set_cert_verifier(CertVerifier::CreateDefault());
 
   if (throttling_enabled_)
     storage->set_throttler_manager(new URLRequestThrottlerManager());
 
+  if (backoff_enabled_)
+    storage->set_backoff_manager(new URLRequestBackoffManager());
+
   HttpNetworkSession::Params network_session_params;
   network_session_params.host_resolver = context->host_resolver();
   network_session_params.cert_verifier = context->cert_verifier();
   network_session_params.transport_security_state =
       context->transport_security_state();
   network_session_params.proxy_service = context->proxy_service();
   network_session_params.ssl_config_service =
       context->ssl_config_service();
   network_session_params.http_auth_handler_factory =
       context->http_auth_handler_factory();
@@ skipping 75 matching lines @@
     }
     url_request_interceptors_.weak_clear();
   }
   storage->set_job_factory(top_job_factory.release());
   // TODO(willchan): Support sdch.
 
   return context;
 }
 
 }  // namespace net